Exploring Thor's relationship with the Asgardian all-father Odin, as well earthbound companion Jane Foster, “Thor: The Dark World” follows the God of Thunder to The Nine Realms beyond Asgard and earth. And as his evil half-brother, Loki, returns for Asgardian justice, a new threat rises. Also rejoining Thor are his fellow Asgardians, Lady Sif, gatekeeper Heimdall and Warriors Three, as they encounter mythical Norse creatures among evildoers.